[OpenIndiana-discuss] Harddisk > 2TB

[Sašo Kiselkov]

On 01/20/2013 01:57 PM, Ulrich Hagen wrote:
> Hello everyone,
> 
> I have recently added an Intel SASUC8I controller to my home file
> server, and hooked up eight Western Digital Red 3000GB disks to it. 
> 
> Only after I started filling up the new pool I noticed that the
> capacity of the pool is not what I expected it to be.
> And really: 'format' lists e. g. one of these disks as
>   c1t0d0 <ATA-WDC WD30EFRX-68A-0A80-2.00TB>
> 
> My plan is now to buy an IBM ServeRAID-M1015 controller, flash it with
> LSI IT firmware, and use that one instead.
> 
> Now my question: Can I keep my pool intact? I want to do this as
> follows:
> 1 - Export the pool, power off the computer
> 2 - Remove the SASUC81, insert the M1015
> 3 - Power on the computer, import the pool.
> 4 - See that the pool's capacity has grown by about 5.4 TiB
> (It is a RAIDZ2, and yes, I know that eight HDs is not an ideal size
> for that.)
> 
> The 'autoexpand' property of the pool is set to 'on'.
> 
> In case it matters: I am running oi_151a7.

What's your pool's ashift?
# zdb <poolname> | grep ashift

I've got several of the 2TB variety WD Red drives and they show up and
work normally, as 2.0TB drives, so your having trouble with 3TB drives
is strange.

Cheers,
--
Saso